EP2132119B1 - Appareil de dévidage destiné à un voile de carde et procédé de dévidage d'un voile de carde - Google Patents

Appareil de dévidage destiné à un voile de carde et procédé de dévidage d'un voile de carde Download PDF

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Publication number
EP2132119B1
EP2132119B1 EP08736821.3A EP08736821A EP2132119B1 EP 2132119 B1 EP2132119 B1 EP 2132119B1 EP 08736821 A EP08736821 A EP 08736821A EP 2132119 B1 EP2132119 B1 EP 2132119B1
Authority
EP
European Patent Office
Prior art keywords
web
reeling
cutting
reel
cutting device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP08736821.3A
Other languages
German (de)
English (en)
Other versions
EP2132119A1 (fr
Inventor
Petri Enwald
Teppo Kojo
Per-Olof Malmqvist
Mika-Petteri Lannes
Tatu Markus Kristian Pitkanen
Topi Jussi Tynkkynen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valmet Technologies Oy
Original Assignee
Valmet Technologies Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valmet Technologies Oy filed Critical Valmet Technologies Oy
Publication of EP2132119A1 publication Critical patent/EP2132119A1/fr
Application granted granted Critical
Publication of EP2132119B1 publication Critical patent/EP2132119B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/26—Cutting-off the web running to the wound web roll
    • B65H19/265—Cutting-off the web running to the wound web roll using a cutting member moving linearly in a plane parallel to the surface of the web and along a direction crossing the web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/31—Suction box; Suction chambers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/23—Winding machines
    • B65H2408/236—Pope-winders with first winding on an arc of circle and secondary winding along rails

Definitions

  • the present invention relates to a reeling apparatus according to the preamble of claim 1.
  • the invention also relates to a method according to the preamble of claim 8 for reeling a fiber web.
  • a reel-up is generally used for example in continuous reeling of a paper web coming from a paper machine, a coating machine or a super calender.
  • the web is wound onto a reel spool and the reel being produced is pressed against the reeling cylinder over which the web runs in a certain sector and which is rotated at a peripheral speed corresponding the speed of the web.
  • a new reel spool Prior to the completion of the reel, a new reel spool, accelerated to the corresponding peripheral speed, may be brought to a nip contact with the reeling cylinder. Immediately when the reel has reached the desired size, a reel change Is performed. There are different methods of changing the reel. The conventional way is as follows. The completed reel is moved away from the reeling cylinder. Then its rotating speed starts to slow down with the result that a web loop or a web bag is created between the reeling cylinder and the completed reel. This loop is guided for example by an air jet to be wound around a new reel spool whereby it is torn off from the completed reel.
  • EP 0 543 788 A1 discloses a method of reeling a web in which the web is cut in the reel change by means of a water jet or jets. At first, a tip is formed in the web which is guided around an empty reel spool. After this, the tip of the web is spread and in the end cut by extending the spreading over the edges of the web.
  • EP 0 089 304 A1 discloses a continuous reeling apparatus comprising means for performing a reel change.
  • this solution there are slitting blades between the reeling cylinder and the guide roll preceding it by means of which, with a transverse crosswise movement, a strip can be at first formed in the web which is turned around an empty reel spool and, subsequently, the strip is spread and the web cut.
  • the slitting blades of solution have been provided in a shoe plate over which the web is made to run in a gliding contact during the slitting.
  • a solution and method like this has for example the problem that when the web is cut with mechanical blades in free run of the web, the web must be kept relatively tight in order to achieve a good cutting result. For this reason the method is not suitable at all for paper grades which require a low web tension in the reeling such as particularly tissue. Further, this kind of supporting of the web including contact causes dusting and accumulation of dust. Dropping of a large dust particle onto the web undesirably also always increases the risk of a web break. Dust is accumulated in the structures and with time decreases the operation reliability of the equipment and increases the fire risk.
  • the web tension before the reeling apparatus is relatively low. Then the running of the web to the reeling cylinder is typically as such not sufficiently stable for the cutting of the wire with the free web feeding in the reel change.
  • US 4 695 004 A shows a generic fiber web reeling apparatus according to the preamble of claim 1.
  • the fiber web reeling apparatus includes a web cutting device for cutting the web during a reel change, the cutting device being provided with at least one cutting head movable in a direction essentially transverse to the web direction to cut the web during a free run of the web preceding a reeling cylinder.
  • US 4 695 004 A shows a method of reeling fiber web according the preamble of claim 8. This method of reeling fiber web, according to which the web is wound to successive reels and according to which the formation of a new reel is started during a reel change by guiding the web to the new reel as a strip or a wedge narrower than the full width of the web which is cut from the web and spread to the full width of the web by cutting the web prior to the reeling.
  • a continuous reeling apparatus for a fiber web by means of which fiber web may be wound to successive reel, the reeling apparatus comprising a web cutting device for cutting the web in the reel change, the web cutting device being provided with at least one cutting head movable essentially in the transverse direction relative to the running direction of the web, the cutting head being provided to cut the web during the free run of the web before the reeling cylinder. It is characteristic to the continuous fiber web reeling apparatus according to the invention that a contactless support arrangement in operational communication with the cutting head has been provided for the web, for maintaining the running of the web stable in a controlled manner during the cutting.
  • a web supporting system has been arranged in connection with the cutting.
  • the support arrangement keeps the web reliably at a constant distance from the cutting head.
  • the utilization of space in the vicinity of the reeling cylinder is optimized.
  • the cutting head has been arranged to cut the web in the area of its free run with the result that the cutting head need not be for example in connection with the reeling cylinder which improves the overall use of space in the area of the reeling apparatus.
  • the invention also relates to a method of reeling a fiber web according to which web is wound continuously to successive reels and according to which the forming of a new reel is started by guiding the paper web to a new reel as a narrower strip than the full width of web, the strip being cut from the paper web and spread to the full width of the web by cutting the paper web before the reeling in the area of the free run of the web. It is characteristic to the method among others that the web is supported during the cutting in an essentially contactless way at least in the cutting range of the cutting device.
  • the method of the invention is preferably carried out so that the web tension in the cutting area is less than 500 N/m, preferably less than 250N/m.
  • the object of an embodiment of the invention is a continuously operating reeling apparatus for tissue web.
  • a continuously operating fiber web reeling apparatus 1 according to a preferred embodiment of the invention has been disclosed.
  • the apparatus comprises a reeling cylinder 3 supported by a frame structure 2, via which cylinder web W is guided to a reel 4 being formed.
  • Web W is produced in a paper manufacturing apparatus preceding the reeling apparatus 1 and it is brought to the reeling cylinder 3 via a guide roll 5.
  • the guide roll is a so-called spreading roll creating an appropriate transverse web tension when the web arrives to the reeling cylinder.
  • the guide roll is a so-called spreading roll creating an appropriate transverse web tension when the web arrives to the reeling cylinder.
  • the guide roll is a so-called spreading roll creating an appropriate transverse web tension when the web arrives to the reeling cylinder.
  • a web cutting device 6 for cutting the web during a reel change.
  • a contactless web support system 7 which in the embodiment of Figure 1 is separate from the cutting device.
  • the cutting device 6 includes a beam or a support structure 6.1 extending over the web in transverse direction, in support of which the cutting heads 6.2 are disposed movably to the guide of the support structure (not illustrated).
  • the wedge-shaped tip is created so that, when the cutting has started, the cutting heads pass by each other while they move towards the edges of the web.
  • the shape of the tip may be influenced by changing the speed of the cutting heads.
  • the cutting device has been provided in the area of the free run of the web, in other words between the guide roll 5 and the reeling cylinder 3 where the web runs without a separate mechanical support such as a wire.
  • a contactless support arrangement 7 for the web in operational connection with the cutting device 6, which provides a supporting effect for the web by appropriately directed blow jets.
  • Air flow blown from air nozzles creates a suction effect to the web which thus stabilizes the web to run along a desired path.
  • the design of the nozzles is such that the air jet is directed away from the web at least or at the latest after the nozzle slot by means of, for example, an essentially smooth guide surface provided as continuation of the nozzle slot, utilizing the so-called Coanda effect.
  • the jets are created by means of slot-like air flow nozzles J. In the embodiment of Figure 1 the jets are directed away from the nip of the web and the reeling cylinder.
  • the support arrangement in Figure 1 is such that its influence extends over the whole width of the web.
  • the running of the web is well controlled over the whole width and also the cutting takes place reliably at a very low web tension for example when reeling tissue with a grammage of less than 30 g/m 2 .
  • the support arrangement also includes a support surface 8 and conditions stabilizing the running of the web between the support surface and the web W are created by the jets.
  • the support system is designed to be moved along support structures so that it may be pulled away from the vicinity of the web and the reeling cylinder if necessary, which has been illustrated in the Figure 1 by broken lines.
  • the apparatus described above works so that when the reel 4 being formed has reached the desired size, a reel change is performed.
  • a new reel spool 4' accelerated to the web speed is brought to contact with the reeling cylinder.
  • the cutting heads 6.2 have been brought to the center area of the web, preferably both slightly exceeding the center line.
  • the cutting heads are moved towards the edges of the web, whereby a wedge-like tip is formed in the web. This tip is guided around the empty reel spool 4', the wedge is cut wider past the edges whereby it is cut loose and reeling to the new reeling shaft 4' is started.
  • the contacless support system 7 is activated at least during the cutting of the web and thus during the reel change whereby it at the same time stabilizes the running of the web and keeps it essentially at a constant distance from the cutting head and eliminates fluttering of the web and bag formation in the dosing nip of the reeling cylinder and the web.
  • FIG. 2 Another embodiment of the invention is illustrated in Figure 2 .
  • the same reference numbers have been used here as for the elements in Figure 1 , where applicable.
  • the cutting device has been integrated with the support arrangement 7 of the web.
  • the embodiment illustrated in the Figure 2 is a very advantageous solution for example because due to the shared set of support beams space remains in the vicinity of the reeling apparatus for other use.
  • combining the cutting device and the web support system to one and the same unit allows optimizing the air jets and the structure of the support system by taking into account explicitly its influence in the cutting action.
  • this solution also makes it possible to pressurize the cutting device by means of the air blowing of the support arrangement, and thus no impurities or dust can get into it.
  • the support arrangement of the invention the dust control can be paid attention to also more thoroughly, and dust removal devices can be integrated to the apparatus.
  • the method of the invention is preferably carried out so that the web tension in the cutting area is less than 500 N/m, preferably less than 250N/m.
  • the apparatus (cutting device 6 - web supporting arrangement 7) is movable further away from the moving web W.
  • the apparatus is here under the web, maintenance work can be performed on machine level and no separate service platforms are needed across the machine and above the web.
  • This is a remarkable advantage as structures above the web always increase the risk of problems; for example possible condensation of water from moist air to the structures and dripping of water onto the web, and accumulation of dust to the structures discussed.
  • the web support system keeps the web stable and supported when it arrives to the reeling cylinder, whereby the cutting can be performed further away from the reeling cylinder under the web. In this position there is also more space outside the edges of the web which allows increasing the movement range of the cutting heads outside the web.
  • the cutting heads require a certain distance to slow down their movement and in this embodiment the slowing down can be done mainly in the area outside the edges of the web. Then the wedge to be cut at the edges of the web during the cutting operation may be made relatively steep and thus no essential strips remain at the edges of the reel. This kind of strips are easily broken during the deceleration of a completed reel whereby paper shreds produced are scattered in the surroundings and thus also inside the new reel.
  • the cutting heads 6.2 preferably comprise a water nozzle and apparatus for feeding high-pressure water. Cutting the web with water is preferable particularly with tissue as it is an easily dusting paper grade. The cutting head may also be used in cutting the web in the longitudinal direction at other times than during a reel change.
  • Figures 3a and 3c illustrate the cutting path 11 in the web W, when two separate cutting heads are used.
  • An arrow indicates the running direction of the web.
  • the cutting may be started by forming a wedge-like tip 10 in the web and spreading it from the center portion of the web towards its edges.
  • the tip can be cut loose as illustrated in Figure 3a by guiding the cutting heads to pass each other.
  • the wedge-like portion may be left uncut totally off at the center as illustrated in Figure 3c .
  • the final detaching of the wedge portion is carried out for example by a separate blowing (not illustrated).
  • the cutting may be carried out with one cutting head and along a movement path 11, which forms a wedge-like tip 10 at one of the edges of the web W.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (15)

  1. Appareil d'enroulement de bande de fibres (1) avec lequel une bande de fibres peut être enroulée sur des bobines successives (4), l'appareil d'enroulement comportant un dispositif de coupe de bande (6) pour couper la bande pendant un changement de bobine, le dispositif de coupe étant pourvu d'au moins une tête de coupe (6.2) mobile dans une direction essentiellement transversale à la direction de bande pour couper la bande pendant l'avance libre de la bande précédant le tambour d'enroulement, caractérisé en ce qu'il existe un agencement de support de bande sans contact (7) en contact fonctionnel avec le dispositif de coupe, prévu pour maintenir stable l'avance de la bande (W) d'une manière commandée pendant l'opération de coupe.
  2. Appareil d'enroulement selon la revendication 1, caractérisé en ce que l'appareil d'enroulement comporte un cylindre d'enroulement (3) et un rouleau de guidage de bande (5) le précédant dans la direction d'avance de la bande, et que le dispositif de coupe est disposé pour couper la bande entre le cylindre d'enroulement et le rouleau de guidage.
  3. Appareil d'enroulement selon la revendication 1 et 2, caractérisé en ce que le système de support de bande (7) comporte un caisson de soufflage pourvu de buses de soufflage d'air (J) qui créent un effet d'aspiration sur la bande et au moyen desquelles la bande est stabilisée pour avancer le long d'un trajet souhaité.
  4. Appareil d'enroulement selon la revendication 3, caractérisé en ce que la direction de soufflage des buses de soufflage d'air (J) est au moins après la fente de buse essentiellement éloignée de la bande.
  5. Appareil d'enroulement selon la revendication 1, caractérisé en ce que l'agencement de support de bande (7) a été prévu en liaison avec le dispositif de coupe (6), ou en ce que la tête de coupe comporte un dispositif de coupe à jet d'eau.
  6. Appareil d'enroulement selon la revendication 4, caractérisé en ce que l'agencement de support de bande (7) a été disposé de manière à s'étendre à l'avance libre de la bande qui suit la tête de coupe dans la direction d'avance de la bande.
  7. Appareil d'enroulement selon l'une des revendications précédentes, caractérisé en ce qu'il est utilisé pour enrouler une bande de mouchoir en papier.
  8. Procédé d'enroulement de bande de fibres selon lequel la bande est enroulée sur des bobines successives (4) et selon lequel la formation d'une nouvelle bobine commence pendant un changement de bobine par le guidage de la bande vers la nouvelle bobine à mesure qu'une bandelette ou un coin plus étroit(e) que la largeur totale de la bande qui est coupé (e) de la bande de papier et étalé (e) sur la largeur totale de la bande en coupant la bande avant l'enroulement, caractérisé en ce que la bande est supportée pendant la coupe de manière essentiellement sans contact (7) au moins dans la zone de coupe du dispositif de coupe.
  9. Procédé selon la revendication 8, caractérisé en ce que la bandelette ou le coin est étalé(e) sur la largeur totale de la bande en coupant la bande avant l'enroulement dans l'avance libre de la bande, ou en ce que la tension de la bande de papier est inférieure à 500 N/m, ou en ce que la tension de la bande de papier est inférieure à 250 N/m, ou en ce que l'effet de support de bande est créé par le soufflage d'air (J).
  10. Procédé selon la revendication 8 ou 9 lorsque l'effet de support de bande est créé par le soufflage d'air (J), caractérisé en ce que la coupe et le support de la bande ont lieu sur le même côté de la bande.
  11. Procédé selon la revendication 10, caractérisé en ce que la coupe et le support de la bande ont lieu en dessous de la bande.
  12. Procédé selon la revendication 8 ou 9 lorsque l'effet de support de bande est créé par le soufflage d'air (J), caractérisé en ce que la coupe et le support de la bande ont lieu sur différents côtés de la bande.
  13. Procédé selon la revendication 8 ou 9 lorsque la tension de la bande de papier est inférieure à 250 N/m, caractérisé en ce que la bande est enroulée sur la bobine supportée par un cylindre d'enroulement et via celui-ci et que la bande est supportée dans la direction de machine essentiellement à partir du point de coupe vers le cylindre d'enroulement.
  14. Procédé selon la revendication 8, caractérisé en ce que la bande est enroulée sur une bobine supportée par un cylindre d'enroulement et via celui-ci, et que la bande est coupée et supportée immédiatement avant le cylindre d'enroulement.
  15. Procédé selon l'une des revendications 8 à 14, caractérisé en ce que la bande devant être enroulée est une bande de mouchoir en papier.
EP08736821.3A 2007-04-12 2008-04-09 Appareil de dévidage destiné à un voile de carde et procédé de dévidage d'un voile de carde Not-in-force EP2132119B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20075247A FI121304B (fi) 2007-04-12 2007-04-12 Kuiturainan rullauslaitteisto ja menetelmä kuiturainan rullaamiseksi
PCT/FI2008/050172 WO2008125723A1 (fr) 2007-04-12 2008-04-09 Appareil de dévidage destiné à un voile de carde et procédé de dévidage d'un voile de carde

Publications (2)

Publication Number Publication Date
EP2132119A1 EP2132119A1 (fr) 2009-12-16
EP2132119B1 true EP2132119B1 (fr) 2014-09-24

Family

ID=38009900

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08736821.3A Not-in-force EP2132119B1 (fr) 2007-04-12 2008-04-09 Appareil de dévidage destiné à un voile de carde et procédé de dévidage d'un voile de carde

Country Status (5)

Country Link
US (1) US8167229B2 (fr)
EP (1) EP2132119B1 (fr)
CN (1) CN101663217B (fr)
FI (1) FI121304B (fr)
WO (1) WO2008125723A1 (fr)

Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
FI121304B (fi) 2007-04-12 2010-09-30 Metso Paper Inc Kuiturainan rullauslaitteisto ja menetelmä kuiturainan rullaamiseksi
EP2505535A1 (fr) * 2011-04-01 2012-10-03 Metso Paper Inc. Procédé pour le retournement du déroulage de toiles de fibres et dispositif de retournement du déroulage de toiles de fibres
SE537959C2 (sv) 2013-03-27 2015-12-08 Valmet Aktiebolag Rullstol och förfarande för upprullning av en pappersbana itorränden av en pappersmaskin
SE537744C2 (sv) * 2013-04-26 2015-10-13 Valmet Aktiebolag Rullstol för upprullning av en pappersbana till en rulle ochförfarande för upprullning av en pappersbana för att bildaen rulle
US9511968B2 (en) 2013-09-09 2016-12-06 Valmet Aktiebolag Reel-up and a method for winding into a roll a paper web and for starting a new roll
CN105151856A (zh) * 2015-06-26 2015-12-16 芜湖集拓橡胶技术有限公司 卷胶片装置
US10464769B2 (en) 2017-02-10 2019-11-05 Tecnau, Inc. Emergency stop cutting mechanism for a web rewinding device

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US4444362A (en) 1982-03-05 1984-04-24 Beloit Corporation Apparatus and method for starting successive leading ends on travelling web in a winder
DE3515519A1 (de) 1985-04-30 1986-10-30 J.M. Voith Gmbh, 7920 Heidenheim Verfahren zum ueberfuehren einer bahn von einem fertigen wickel auf einen neuen wickelkern sowie tragtrommel-rollapparat zur durchfuehrung des verfahrens
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FI915432A (fi) * 1991-11-18 1993-05-19 Valmet Paper Machinery Inc Foerfarande vid rullning av en bana
US5314132A (en) * 1991-11-26 1994-05-24 Mitsubishi Jukogyo Kabushiki Kaisha Method for changing spools and apparatus therefor
DE29508732U1 (de) * 1995-05-26 1995-09-21 Voith Sulzer Papiermaschinen GmbH, 89522 Heidenheim Vorrichtung zum Perforieren einer laufenden Papierbahn
CA2227113C (fr) * 1998-01-15 2006-03-28 Roman C. Caspar Appareil a jet d'eau pour revers pour utiliser dans un devidoir de tissu
JP2943106B1 (ja) * 1998-05-18 1999-08-30 株式会社東京機械製作所 走行ウエブの制振方法、制振装置及び紙継ぎ補助装置
CA2243771C (fr) 1998-07-23 2006-11-14 Roman C. Caspar Porte-tete de coupe au jet d'eau
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FI121304B (fi) 2007-04-12 2010-09-30 Metso Paper Inc Kuiturainan rullauslaitteisto ja menetelmä kuiturainan rullaamiseksi

Also Published As

Publication number Publication date
CN101663217A (zh) 2010-03-03
EP2132119A1 (fr) 2009-12-16
US8167229B2 (en) 2012-05-01
FI20075247A (fi) 2008-10-13
US20100051736A1 (en) 2010-03-04
FI121304B (fi) 2010-09-30
FI20075247A0 (fi) 2007-04-12
CN101663217B (zh) 2011-07-20
WO2008125723A1 (fr) 2008-10-23

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